7:21
Estrogen | Reproductive system physiology | NCLEX-RN | Khan Academy
8:39
Reproductive cycle graph-Follicular phase | NCLEX-RN | Khan Academy
10:12
Deficiencia de la fase lútea: comprensión de la progesterona y la ovulación
35:49
Oogenesis, Folliculogenesis, and Spermatogenesis
10:03